1 /*
2  * Copyright (C) 2023 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.adservices.ohttp;
18 
19 import com.google.auto.value.AutoValue;
20 
21 /**
22  * Holds the 'info' field as required by HPKE setupBaseS operation according to OHTTP spec
23  *
24  * <p>https://www.ietf.org/archive/id/draft-ietf-ohai-ohttp-03.html#name-hpke-encapsulation
25  */
26 @AutoValue
27 public abstract class RecipientKeyInfo {
28     /** Get the bytes of the recipient key info */
29     @SuppressWarnings("mutable")
getBytes()30     public abstract byte[] getBytes();
31 
32     /** Create a {@link RecipientKeyInfo} object with the given bytes */
create(byte[] info)33     public static RecipientKeyInfo create(byte[] info) {
34         return new AutoValue_RecipientKeyInfo(info);
35     }
36 }
37